149 lines
5.9 KiB
VimL
149 lines
5.9 KiB
VimL
function! gitgutter#highlight#line_disable() abort
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let g:gitgutter_highlight_lines = 0
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call s:define_sign_line_highlights()
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if !g:gitgutter_signs
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call gitgutter#sign#clear_signs(bufnr(''))
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call gitgutter#sign#remove_dummy_sign(bufnr(''), 0)
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endif
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redraw!
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endfunction
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function! gitgutter#highlight#line_enable() abort
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let old_highlight_lines = g:gitgutter_highlight_lines
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let g:gitgutter_highlight_lines = 1
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call s:define_sign_line_highlights()
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if !old_highlight_lines && !g:gitgutter_signs
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call gitgutter#all(1)
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endif
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redraw!
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endfunction
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function! gitgutter#highlight#line_toggle() abort
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if g:gitgutter_highlight_lines
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call gitgutter#highlight#line_disable()
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else
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call gitgutter#highlight#line_enable()
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endif
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endfunction
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function! gitgutter#highlight#define_sign_column_highlight() abort
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if g:gitgutter_override_sign_column_highlight
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highlight! link SignColumn LineNr
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else
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highlight default link SignColumn LineNr
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endif
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endfunction
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function! gitgutter#highlight#define_highlights() abort
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let [guibg, ctermbg] = s:get_background_colors('SignColumn')
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" Highlights used by the signs.
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execute "highlight GitGutterAddDefault guifg=#009900 guibg=" . guibg . " ctermfg=2 ctermbg=" . ctermbg
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execute "highlight GitGutterChangeDefault guifg=#bbbb00 guibg=" . guibg . " ctermfg=3 ctermbg=" . ctermbg
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execute "highlight GitGutterDeleteDefault guifg=#ff2222 guibg=" . guibg . " ctermfg=1 ctermbg=" . ctermbg
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highlight default link GitGutterChangeDeleteDefault GitGutterChangeDefault
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execute "highlight GitGutterAddInvisible guifg=bg guibg=" . guibg . " ctermfg=" . ctermbg . " ctermbg=" . ctermbg
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execute "highlight GitGutterChangeInvisible guifg=bg guibg=" . guibg . " ctermfg=" . ctermbg . " ctermbg=" . ctermbg
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execute "highlight GitGutterDeleteInvisible guifg=bg guibg=" . guibg . " ctermfg=" . ctermbg . " ctermbg=" . ctermbg
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highlight default link GitGutterChangeDeleteInvisible GitGutterChangeInvisible
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highlight default link GitGutterAdd GitGutterAddDefault
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highlight default link GitGutterChange GitGutterChangeDefault
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highlight default link GitGutterDelete GitGutterDeleteDefault
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highlight default link GitGutterChangeDelete GitGutterChangeDeleteDefault
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" Highlights used for the whole line.
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highlight default link GitGutterAddLine DiffAdd
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highlight default link GitGutterChangeLine DiffChange
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highlight default link GitGutterDeleteLine DiffDelete
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highlight default link GitGutterChangeDeleteLine GitGutterChangeLine
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endfunction
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function! gitgutter#highlight#define_signs() abort
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sign define GitGutterLineAdded
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sign define GitGutterLineModified
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sign define GitGutterLineRemoved
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sign define GitGutterLineRemovedFirstLine
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sign define GitGutterLineModifiedRemoved
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sign define GitGutterDummy
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call s:define_sign_text()
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call gitgutter#highlight#define_sign_text_highlights()
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call s:define_sign_line_highlights()
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endfunction
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function! s:define_sign_text() abort
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execute "sign define GitGutterLineAdded text=" . g:gitgutter_sign_added
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execute "sign define GitGutterLineModified text=" . g:gitgutter_sign_modified
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execute "sign define GitGutterLineRemoved text=" . g:gitgutter_sign_removed
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execute "sign define GitGutterLineRemovedFirstLine text=" . g:gitgutter_sign_removed_first_line
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execute "sign define GitGutterLineModifiedRemoved text=" . g:gitgutter_sign_modified_removed
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endfunction
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function! gitgutter#highlight#define_sign_text_highlights() abort
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" Once a sign's text attribute has been defined, it cannot be undefined or
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" set to an empty value. So to make signs' text disappear (when toggling
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" off or disabling) we make them invisible by setting their foreground colours
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" to the background's.
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if g:gitgutter_signs
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sign define GitGutterLineAdded texthl=GitGutterAdd
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sign define GitGutterLineModified texthl=GitGutterChange
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sign define GitGutterLineRemoved texthl=GitGutterDelete
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sign define GitGutterLineRemovedFirstLine texthl=GitGutterDelete
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sign define GitGutterLineModifiedRemoved texthl=GitGutterChangeDelete
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else
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sign define GitGutterLineAdded texthl=GitGutterAddInvisible
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sign define GitGutterLineModified texthl=GitGutterChangeInvisible
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sign define GitGutterLineRemoved texthl=GitGutterDeleteInvisible
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sign define GitGutterLineRemovedFirstLine texthl=GitGutterDeleteInvisible
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sign define GitGutterLineModifiedRemoved texthl=GitGutterChangeDeleteInvisible
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endif
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endfunction
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function! s:define_sign_line_highlights() abort
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if g:gitgutter_highlight_lines
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sign define GitGutterLineAdded linehl=GitGutterAddLine
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sign define GitGutterLineModified linehl=GitGutterChangeLine
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sign define GitGutterLineRemoved linehl=GitGutterDeleteLine
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sign define GitGutterLineRemovedFirstLine linehl=GitGutterDeleteLine
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sign define GitGutterLineModifiedRemoved linehl=GitGutterChangeDeleteLine
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else
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sign define GitGutterLineAdded linehl=
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sign define GitGutterLineModified linehl=
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sign define GitGutterLineRemoved linehl=
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sign define GitGutterLineRemovedFirstLine linehl=
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sign define GitGutterLineModifiedRemoved linehl=
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endif
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endfunction
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function! s:get_background_colors(group) abort
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redir => highlight
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silent execute 'silent highlight ' . a:group
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redir END
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let link_matches = matchlist(highlight, 'links to \(\S\+\)')
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if len(link_matches) > 0 " follow the link
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return s:get_background_colors(link_matches[1])
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endif
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let ctermbg = s:match_highlight(highlight, 'ctermbg=\([0-9A-Za-z]\+\)')
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let guibg = s:match_highlight(highlight, 'guibg=\([#0-9A-Za-z]\+\)')
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return [guibg, ctermbg]
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endfunction
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function! s:match_highlight(highlight, pattern) abort
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let matches = matchlist(a:highlight, a:pattern)
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if len(matches) == 0
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return 'NONE'
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endif
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return matches[1]
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endfunction
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